Pentagonal inflatable spa



FIG. 1 is a perspective view of a pentagonal inflatable spa showing our new design;

FIG. 2 is a first side elevational view thereof;

FIG. 3 is a second side elevational view thereof;

FIG. 4 is a third side elevational view thereof;

FIG. 5 is a fourth side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIGS. 1-7 represent unclaimed portions of the pentagonal inflatable spa and form no part of the claimed design. 

CLAIM The ornamental design for a pentagonal inflatable spa, as shown and described. 